11 Result(s)
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Article
Hermann Hellwagner
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Article
Open AccessPerformance analysis of H2BR: HTTP/2-based segment upgrading to improve the QoE in HAS
HTTP Adaptive Streaming (HAS) plays a key role in over-the-top video streaming with the ability to reduce the video stall duration by adapting the quality of transmitted video segments to the network conditions. ...
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Social media for crisis management: clustering approaches for sub-event detection
Social media is getting increasingly important for crisis management, as it enables the public to provide information in different forms: text, image and video which can be valuable for crisis management. Such...
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Sensory effects for ambient experiences in the World Wide Web
More and more content in various formats becomes available via the World Wide Web (WWW). Currently available Web browsers are able to access and interpret these contents (i.e., Web videos, text, image, and aud...
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Bounded non-deterministic planning for multimedia adaptation
This paper proposes a novel combination of artificial intelligence planning and other techniques for improving decision-making in the context of multi-step multimedia content adaptation. In particular, it desc...
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Signal, image and video processing (SIVP) special issue on “multimedia semantics, adaptation and personalization” Editorial
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Das MPEG-21 Multimedia-Framework
Der MPEG-21-Standard wird seit Anfang 2000 innerhalb der Moving Picture Experts Group (MPEG) [8] entwickelt und stellt im Wesentlichen Beschreibungsformate, in MPEG-21 als Werkzeuge bezeichnet, zum transparent...
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Using MPEG-21 for cross-layer multimedia content adaptation
This paper presents a cross-layer model— formulated using interoperable description formats—for the adaptation of scalable H.264/MPEG-4 AVC (i.e., SVC) content in a video streaming system operating on a Wirele...
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User-centric universal multimedia access in home networks
Much research is currently being conducted towards Universal Multimedia Access, aiming at removing barriers that arise when multimedia content is to be consumed with more and more heterogeneous devices and ove...
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Metadata-driven optimal transcoding in a multimedia proxy
An adaptive multimedia proxy is presented which provides (1) caching, (2) filtering, and (3) media gateway functionalities. The proxy can perform media adaptation on its own, either relying on layered coding or u...
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Comparison of XML serializations: cost benefits versus complexity
More and more data are structured, stored, and sent over a network using the Extensible Markup Language (XML) language. There are, however, concerns about the verbosity of XML in such a way that it may restrai...
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A knowledge-based framework for multimedia adaptation
Personalized delivery of multimedia content over the Internet opens new business perspectives for future multimedia applications and thus plays an important role in the ongoing MPEG-7 and MPEG-21 multimedia st...
